quadrature的例句大全

In this paper, based on least square method and matrix theory upbuild a quadrature least square method of parallelism error assess.

基于最小二乘法和矩阵理论建立了平面度误差评定的正交最小二乘法。

Phase Quadrature Laser Interferometer for Measuring Microscopic Asperity

测量微观不平度的90°相移激光干涉仪

In order to eliminate the subdividing error caused by fring signals which is not in phase quadrature, a new method that can directly subdivide fringe signals for random phase relationship is presented.

为消除传统细分方法中由于两路条纹信号不正交引入的细分误差，提出了一种可对任意相位差条纹信号直接细分的新方法。

Methods for the realization of the radio front end, the quadrature converter and baseband processing are given, with the accuracy of quadrature phase 90 ° and equality of the inphase and quadrature signal gains being key factors.

给出了零中频接收机射频前端、正交变频和基带处理的实现方法，其中正交90°移相的准确性和正交两路输出放大器增益的一致性是关键。

A method to identify the modulation levels of M-ary Quadrature Amplitude Modulation ( M-QAM) and M-ary Amplitude shift keying ( M-ASK) was developed to rapidly and automatically identify the modulation levels of digitally modulated signals at low signal-to-noise ratios ( SNR).

为了快速自动识别低信噪比下的数字幅度调制进制，提出了一种识别M进制正交幅度调制（M-QAM）和M进制幅度键控（M-ASK）的调制进制的方法。

Double Baseband Processing Offset Quadrature Phase Shift Keying Modulation Technique

两次基带处理&偏移正交相移键控调制技术

A QPSK blind sequence detection algorithm based on the ε-equalization principle is proposed. The algorithm can formulate the quadrature phase shift keying blind sequence detection into a quadratic programming with integer constraints.

给出了基于ε-均衡准则的QPSK序列盲检测算法，该算法将QPSK序列盲检测问题转化为带整数约束的二次规划问题。

Further analysis shows that the quadrature filtering algorithm is a simplified algorithm of Discrete Fourier Transform ( DFT ) .

进一步分析表明,正交滤波算法是 离散傅立叶 变换的一种简化算法.

However, in calculating the range nominal resolution of rectangular pulse signals using conventional definition formula, quadrature operation for range ambiguity function or infinite integration for "SIN" function is required.

然而，对矩形脉冲信号来说，按常规定义式计算距离名义分辨力，需要距离模糊函数的积分运算或对正弦函数进行无穷积分，这些积分运算往往较为复杂或为不定值；

T 755 High precision encoder, 10 mm blind hollow shaft, 125 Khz frequency response, Quadrature output.

4T755高精度编码器, 空心轴一十毫米盲,125Khz频率响应, 正交输出.

The differential quadrature method ( DQM ) is extended to solve the natural frequencies of pipe.

采用微分求积法求解输流管道的固有频率.